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Tezruly Dosage

Generic name: TERAZOSIN HYDROCHLORIDE 1mg in 1mL
Dosage form: oral solution
Drug classes: Alpha blockers, Antiadrenergic agents, peripherally acting

Medically reviewed by Drugs.com. Last updated on Aug 1, 2024.

Recommended Dosage for Benign Prostatic Hyperplasia

Initial Dose: 1 mg orally once daily at bedtime. This dose should not be exceeded as an initial dose. Closely follow patients during initial administration in order to minimize the risk of severe hypotensive response, including syncope. For administration instructions, see Dosage and Administration (2.3).


Subsequent Doses: The dose should be increased in a stepwise fashion from 2 mg to 10 mg orally once daily to achieve the desired improvement of symptoms and/or flow rates. Doses of 10 mg once daily are generally required for a clinical response. Therefore, treatment with 10 mg for a minimum of 4 weeks to 6 weeks may be required to assess whether a beneficial response has been achieved. Although some patients responded to 20 mg per daily, data are insufficient to draw definitive conclusions about this dose. There are insufficient data to support the use of doses higher than 20 mg daily. If TEZRULY is discontinued for more than a few days, therapy should be restarted using the initial dosing regimen. For administration instructions, see Dosage and Administration (2.3).

Recommended Dosage for Hypertension

  • Initial Dose: 1 mg orally once daily at bedtime. Do not exceed the initial dosing regimen to minimize the potential for severe hypotensive effects, including syncope. For administration instructions, see Dosage and Administration (2.3).
  • Subsequent Doses: Slowly increase the dose to achieve the desired blood pressure response. The usual recommended dose range is 1 mg to 5 mg orally once daily; however, some patients may benefit from doses as high as 20 mg per day. Doses over 20 mg do not appear to provide further blood pressure effect and doses over 40 mg have not been studied. Blood pressure should be monitored at the end of the dosing interval to ensure control throughout the dosing interval. It may also be helpful to measure blood pressure 2 hours to 3 hours after dosing to see if the maximum and minimum responses are similar, and to evaluate symptoms such as dizziness or palpitations which can result from excessive hypotensive response. If response is substantially diminished at 24 hours, consider increasing the dose or use a twice daily dosing regimen. In clinical trials, except for the initial dose, the dose was given in the morning. If TEZRULY is discontinued for more than a few days, therapy should be restarted using the initial dosing regimen. For administration instructions, see Dosage and Administration (2.3).

TEZRULY may be used alone or in combination with other antihypertensive agents. Adjust the dose of TEZRULY and the dose frequency (every 12 hours or 24 hours) based on the patient’s individual blood pressure response.

Administration Information

Take TEZRULY orally with or without food.


A calibrated measuring device, such as an oral syringe or oral dosing cup, is recommended to measure and deliver the prescribed dose accurately. A household measuring cup, teaspoon, or tablespoon is not an adequate measuring device.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.